Traceback (innermost last):
  Module ZPublisher.Publish, line 113, in publish
  Module ZPublisher.mapply, line 88, in mapply
  Module ZPublisher.Publish, line 40, in call_object
  Module Products.CMFFormController.FSControllerPythonScript, line 105, in __call__
  Module Products.CMFFormController.Script, line 141, in __call__
  Module Products.CMFCore.FSPythonScript, line 108, in __call__
  Module Shared.DC.Scripts.Bindings, line 311, in __call__
  Module Shared.DC.Scripts.Bindings, line 348, in _bindAndExec
  Module Products.CMFCore.FSPythonScript, line 163, in _exec
  Module None, line 16, in createObject
   - <FSControllerPythonScript at /lugra/createObject used for /lugra/Foro>
   - Line 16
  Module Products.CMFCore.PortalFolder, line 408, in invokeFactory
  Module Products.CMFCore.TypesTool, line 929, in constructContent
  Module Products.CMFCore.TypesTool, line 340, in constructInstance
  Module Products.CMFCore.TypesTool, line 571, in _constructInstance
  Module Products.Ploneboard.content.PloneboardForum, line 4, in addPloneboardForum
  Module Products.BTreeFolder2.BTreeFolder2, line 431, in _setObject
  Module Products.Ploneboard.content.PloneboardForum, line 305, in manage_afterAdd
  Module Products.Archetypes.BaseBTreeFolder, line 33, in manage_afterAdd
  Module Products.Archetypes.BaseFolder, line 98, in manage_afterAdd
  Module Products.CMFCore.CMFCatalogAware, line 184, in manage_afterAdd
  Module Products.Ploneboard.content.PloneboardForum, line 291, in indexObject
  Module Products.CMFCore.CatalogTool, line 325, in indexObject
  Module Products.CMFCore.CatalogTool, line 318, in catalog_object
  Module Products.ZCatalog.ZCatalog, line 561, in catalog_object
  Module Products.ZCatalog.Catalog, line 361, in catalogObject
  Module Products.ZCTextIndex.ZCTextIndex, line 174, in index_object
TypeError: sequence item 0: expected string, tuple found